9778412 has 24 divisors (see below), whose sum is σ = 19676160. Its totient is φ = 4165200.

The previous prime is 9778411. The next prime is 9778441. The reversal of 9778412 is 2148779.

9778412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9778411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4037 + ... + 5987.

It is an arithmetic number, because the mean of its divisors is an integer number (819840).

Almost surely, 2^9778412 is an apocalyptic number.

It is an amenable number.

9778412 is an abundant number, since it is smaller than the sum of its proper divisors (9897748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9778412 is a wasteful number, since it uses less digits than its factorization.

9778412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2139 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 9778412 is about 3127.0452507119. The cubic root of 9778412 is about 213.8402452851.

The spelling of 9778412 in words is "nine million, seven hundred seventy-eight thousand, four hundred twelve".